Справочник Пользователя для Pelco ED29/ED2920

28

PELCO Manual C460M-E (7/95)

Fuse Protection: 3 AG type

Control Method: 15-pulse train (pulse width modu-

lated) superimposed on the video sig-
nal during the vertical interval by the
control transmitter. Pulse train occu-
pies one TV line period.

Input Video Line:1 v p-p nominal; 2v p-p maximum at

less than 75% APL; 1.5v p-p maxi-
mum at 90% APL.

System
Bandwidth:

Less than 2 dB down at 10 MHz

Operating
Distance:

750 feet (228m) on RG59U
1,500 feet (457m) on RG6
1,800 feet (548m) on RG11
(75 ohm coax required)

Enclosure
Dimensions:

See Figures 1 and 2

Construction:
Upper Box

Formed aluminum

Lower Dome

Acrylic hemisphere with distortion
free viewing window

Finish:

Polyvinyl powder coat

Weight:
ED28

25 lbs (11.34 kg)

ED28-1

27 lbs (12.25 kg)

ED2820, ED2820-3
ED2820-SL,
ED2820-3SL/PP,
ED2820SL/PP

35 lbs (15.75 kg)

ED2820-RX,
ED2820SL-RX,
ED2820SL-RX/PP,
ED2820-WX,
ED2820SL-WX 42 lbs (18.90 kg)

ED29,
ED2920 Series

47 lbs (21.291 kg)

Temp. Range:

-10

°F to 140°F (-23°C to +60°C)

Enclosure
Dome Drive:

Dome rides on rollers and is driven
by drive arm of pan/tilt

Max. Camera/Lens
Length:

14.0 inches (35.5 cm)

ELECTRICAL
Enclosure (All models except ED28/ED29)

Input Voltage:

120 VAC 50/60Hz (or 230 VAC, 50/
60 Hz for ED2820-3 and ED2820-
3SL/PP, ED29-3)

Power
Requirements:

180 vA (or 185 vA for ED2820-3 and
ED2820-3SL/PP only)

Blower:

80 cfm at 13 watts (or 90 cfm at 15
watts for ED2820-3 and ED2820-
3SL/PP only)

Heaters:

Two (2) at 80 watts each

Service Light:

One (1) at 7 watts (or One (1) at 10
watts for ED2820-3 and ED2820-
3SL/PP only)

Power Cable
Requirements:

3-wire grounded, 18 Awg (supplied
on “RX” versions only)

Receiver
(Models ED2820-RX, ED2820SL-RX, ED2820-RX/
PP, ED2820SL-RX/PP, ED2820-WX, ED2820SL-WX,
ED2920-RX, and ED2920SL-RX only)

Power Cord:

3 wire grounded, 18 Awg (supplied)

Cables:

Coaxitron
Video: RG59 with BNC jack
Control: RG59 with BNC jack

Wiretron
Video: Coax
Control: Twisted pair, unshielded

Input Voltage:

120 VAC, 50/60Hz

Power
Requirements:

79 vA (receiver only)